/*------------------------------------------------------------------
* Modern auth styling for AutoDiagPro with theme toggle
-------------------------------------------------------------------*/
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
    --bg-body: #f3f6fb;
    --gradient-1: radial-gradient(circle at 20% 20%, rgba(37, 99, 235, 0.08) 0, transparent 25%);
    --gradient-2: radial-gradient(circle at 80% 0%, rgba(124, 58, 237, 0.1) 0, transparent 26%);
    --gradient-3: radial-gradient(circle at 50% 80%, rgba(244, 114, 182, 0.12) 0, transparent 22%);
    --panel: #ffffff;
    --border: rgba(15, 23, 42, 0.08);
    --text: #0f172a;
    --text-muted: #475569;
    --primary: #2563eb;
    --primary-strong: #7c3aed;
    --radius: 18px;
    --card-bg: linear-gradient(160deg, rgba(255, 255, 255, 0.97), rgba(255, 255, 255, 0.9));
    --shadow: 0 20px 50px rgba(15, 23, 42, 0.14);
}

:root[data-theme='dark'] {
    --bg-body: #0b1224;
    --gradient-1: radial-gradient(circle at 20% 20%, rgba(110, 231, 255, 0.1) 0, transparent 25%);
    --gradient-2: radial-gradient(circle at 80% 0%, rgba(139, 92, 246, 0.12) 0, transparent 26%);
    --gradient-3: radial-gradient(circle at 50% 80%, rgba(244, 114, 182, 0.12) 0, transparent 22%);
    --panel: rgba(15, 23, 42, 0.9);
    --border: rgba(148, 163, 184, 0.2);
    --text: #e2e8f0;
    --text-muted: #94a3b8;
    --primary: #6ee7ff;
    --primary-strong: #8b5cf6;
    --card-bg: linear-gradient(160deg, rgba(15, 23, 42, 0.94), rgba(15, 23, 42, 0.8));
    --shadow: 0 25px 60px rgba(0, 0, 0, 0.35);
}

body {
    background: var(--gradient-1), var(--gradient-2), var(--gradient-3), var(--bg-body);
    font-family: 'Space Grotesk', 'Helvetica Neue', Arial, sans-serif;
    color: var(--text);
    min-height: 100vh;
}

.wrapper {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    min-width: 100%;
    min-height: 100vh;
    padding: 30px 18px;
}

.auth-content {
    position: relative;
    width: 520px;
    padding: 15px;
    z-index: 5;
}

.auth-content .card {
    margin-bottom: 0;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    background: var(--card-bg);
    border-radius: var(--radius);
    backdrop-filter: blur(10px);
    color: var(--text);
}

.auth-content .card .card-block,
.auth-content .card .card-body {
    padding: 38px 32px 28px;
}

.auth-content .form-control {
    background: rgba(255, 255, 255, 0.04);
    min-height: 48px;
    line-height: 48px;
    font-size: 15px;
    padding: 12px 15px;
    height: auto;
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: 12px;
}

.auth-content .form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 8px 25px rgba(110, 231, 255, 0.15);
    background: rgba(255, 255, 255, 0.06);
}

.auth-content label {
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 6px;
}

.auth-content .brand { height: 56px; }

.auth-title {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text);
}

.auth-subtitle {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 18px;
}

.btn-primary {
    padding: 12px 22px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 5px;
    margin-right: 10px;
    transition: all 0.2s ease-in-out;
    background: linear-gradient(120deg, var(--primary), var(--primary-strong));
    border: none;
    color: #0b1224;
    box-shadow: 0 18px 35px rgba(110, 231, 255, 0.2);
}

.btn-primary:hover { transform: translateY(-1px); }

.shadow-2 { box-shadow: 0 12px 26px rgba(62, 57, 107, 0.25); }

p.text-muted { font-size: 13px; color: var(--text-muted) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-dark { color: var(--text) !important; }

.alert {
    border-radius: 12px;
    border: 1px solid rgba(248, 113, 113, 0.25);
}

.wrapper a,
.wrapper p>a {
    color: var(--primary);
    font-weight: 600;
}

.theme-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--card-bg);
    color: var(--text);
    font-weight: 600;
    font-size: 14px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

.theme-toggle__icon { font-size: 16px; }

.theme-toggle--floating {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 50;
}

@media (max-width: 540px) {
    .auth-content { width: 100%; }
    .auth-content .card .card-block,
    .auth-content .card .card-body { padding: 28px 22px; }
}



.brand-lg { height: 64px; object-fit: contain; }